More hints of inconsistency in virus antibody tests – dpa international

Coronavirus-related distancing in force in a church in Ireland (Simon Roughneen)

DUBLIN — Analysis of commercially available coronavirus antibody tests shows a “broad range of performance,” with patients suffering “severe disease” after infection later showing a more “readily detectable antibody response” compared to milder cases. The research, published in the journal PLOS Pathogen on Thursday, was funded by Britain’s Department of Health and carried out by a team from institutions including Kings College London and the University of Amsterdam. The team assessed 10 antibody test kits by “using blood from patients admitted to hospital with Covid-19 throughout the peak of the epidemic in London.” The test kits “all gave the best results when used 20 days or more” after illness.